# Unstuckapi, $10 pack: Email verification API

> Check whether an email address is real and safe to send to. Says if it will arrive or bounce (deliverable, undeliverable, risky, unknown), flags throwaway, role-based (info@, sales@), catch-all and free-mail addresses, and suggests a fix for typos like gmail.con.

Unstuckapi's email verification API on its $10 prepaid credit plan. It costs $20.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Address, Deliverability.
We haven't run Unstuckapi through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
Half of the 3,886 plans we rank by price cost $1.998 per 1,000 emails or less. This plan costs less per 1,000 emails than 5% of the 3,886 plans.
[treg's top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.
[Disify's $9 monthly plan (/email)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[email-validation.org](https://datacircle.dev/validate-email-apis/email-validation-org/450-pack-1000000-credits-post-v1-validate/llms.txt), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) and [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/unstuckapi/10-pack
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://unstuckapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://unstuckapi.com/v1/tools/email_verify`
- API key: with the plan, on https://unstuckapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://unstuckapi.com/tools/email_verify?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Unstuckapi (https://unstuckapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 33%
- Address: ✓
- Deliverability: ✓

## Price

- $ per 1,000 emails: $20.00
- Per: call
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Web search · Read web page · Screenshot a Web Page · Check Domain Availability · Domain, DNS, Email and SSL Lookup · Extract Text from a PDF · Find a Work Email Address · Keyword Search Volume · Compare Shopping Prices · Find Local Businesses · Read Google Reviews · Find Leads by Technology · Website Tech Stack · Read Trustpilot Reviews · Company SEC Filings · Insider Trades (Form 4) · Company Financials · CVE Vulnerability Lookup · Academic Paper Search

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $20.00

## Catch-all

- $ per 1,000: $20.00

## In their words

- Their pitch: Check whether an email address is real and safe to send to. Says if it will arrive or bounce (deliverable, undeliverable, risky, unknown), flags throwaway, role-based (info@, sales@), catch-all and free-mail addresses, and suggests a fix for typos like gmail.con.

## Data

- Freshness: live
- What it checks: disposable domains, role addresses, mailbox
- Keep data: no limit
- Use data: Do not use Unstuck for: Spam or unlawful activity. Harvesting personal data for unsolicited messages. Attacking, disrupting, or overloading websites or services. Bypassing access controls or using data without the rights or permissions you need. When using email tools, comply with applicable laws, including CAN-SPAM and GDPR where they apply. A found or verified email address is not permission to contact someone.

## Plan

- Pay: $10
- You get: $10
- Enough for: 500 calls
- Expires: never

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /v1/tools/email_verify

## About the plan

- Plan: $10 prepaid credit
- Who can get it: anyone at least 18 years old (an organization's buyer must be authorized to agree to the terms)

## The 11 fields the plan's answer can hold

email address, status, reason, disposable, role, catch-all, free, did you mean, checked by, amount charged, remaining balance

## Unstuckapi's plans (3)

- [Unstuckapi, $10 pack](https://datacircle.dev/validate-email-apis/unstuckapi/10-pack/llms.txt): $20.00 per 1,000, 33% complete, live
- [Unstuckapi, $20 pack](https://datacircle.dev/validate-email-apis/unstuckapi/20-pack/llms.txt): $20.00 per 1,000, 33% complete, live
- [Unstuckapi, $50 pack](https://datacircle.dev/validate-email-apis/unstuckapi/50-pack/llms.txt): $20.00 per 1,000, 33% complete, live

## Unstuckapi's calls for this API (1)

- `POST /v1/tools/email_verify`: [Unstuckapi, $10 pack](https://datacircle.dev/validate-email-apis/unstuckapi/10-pack/llms.txt)

## Unstuckapi's APIs (11)

- [Unstuckapi: web scraping API pricing, 4 plans](https://datacircle.dev/web-scraping-apis/unstuckapi/free/llms.txt)
- [Unstuckapi: keyword research API pricing, 3 plans](https://datacircle.dev/keyword-research-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: SERP API pricing, 3 plans](https://datacircle.dev/serp-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: Local business reviews API pricing, 3 plans](https://datacircle.dev/local-business-reviews-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: Local business search API pricing, 3 plans](https://datacircle.dev/local-business-search-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: Google Shopping search API pricing, 3 plans](https://datacircle.dev/google-shopping-search-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: Trustpilot review API pricing, 3 plans](https://datacircle.dev/trustpilot-review-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: company discovery API pricing, 3 plans](https://datacircle.dev/company-discovery-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: tech stack API pricing, 3 plans](https://datacircle.dev/company-technology-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: email verification API pricing, 3 plans](https://datacircle.dev/validate-email-apis/unstuckapi/10-pack/llms.txt)
- [Unstuckapi: email finder API pricing, 3 plans](https://datacircle.dev/find-email-apis/unstuckapi/10-pack/llms.txt)

## Unstuckapi: email verification API alternatives

- [IPQualityScore, $1,199.88 yearly](https://datacircle.dev/validate-email-apis/ipqualityscore/1199-88-yearly/llms.txt): $19.998 per 1,000, 67% complete, live
- [Fiber AI, $300 monthly](https://datacircle.dev/validate-email-apis/fiber-ai/300-monthly/llms.txt): $20.00 per 1,000, 50% complete, live
- [Clearout, $400 pack, 100,000 credits, POST /email_verify/instant, Instant Verify, full](https://datacircle.dev/validate-email-apis/clearout/400-pack-100000-credits-post-email-verify-instant-instant-verify-full/llms.txt): $20.00 per 1,000, 50% complete, live
- [Bytemine, $500 monthly, Growth, POST /emails/verify/single](https://datacircle.dev/validate-email-apis/bytemine/500-monthly-growth-post-emails-verify-single/llms.txt): $20.00 per 1,000, 33% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

- https://unstuckapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://unstuckapi.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://unstuckapi.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://unstuckapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://unstuckapi.com/refunds?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://unstuckapi.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://unstuckapi.com/tools/email_verify?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing